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Texas Gov. Rick Perry chomps on a corn dog as he makes his way up the Grand Concourse at the 2011 Iowa State Fair.
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Rudy Giuliani shakes hands and talks with Terri, a pneumatic robot at the 2007 Iowa State Fair. The robot is an educational tool used to promote the National Oceanic and Atmospheic Administration (NOAA) which was created by Conceptual Visions Group.
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Rudy Giuliani shakes hands and talks with Terri, a pneumatic robot at the 2007 Iowa State Fair. The robot is an educational tool used to promote the National Oceanic and Atmospheic Administration (NOAA) which was created by Conceptual Visions Group.
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Rep. presidential candidate John McCain checks out the butter cow at the 2008 Iowa State Fair.
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Rick Santorum, center, former U.S. Senator and presidential candidate for the 2012 Republican Party, talked with folks as he toured the Butter Cow and Butter Lincoln exhibit in the Agriculture Building during a visit to the Iowa State Fair on Friday Aug. 9th, 2013.
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Rick Santorum, center, former U.S. Senator and presidential candidate for the 2012 Republican Party, talked with folks as he toured the Butter Cow and Butter Lincoln exhibit in the Agriculture Building during a visit to the Iowa State Fair on Friday Aug. 9th, 2013.
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Potential Republican presidential candidate Rick Santorum, left, a former U.S. senator from Pennsylvania, takes pork chops off the grill while visiting the Iowa Pork Producers Tent at the Iowa State Fair on Wednesday, August 18, 2010. With him is Iowa Pork Tent committee member Dana Wanken.
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Potential Republican presidential candidate Rick Santorum, left, a former U.S. senator from Pennsylvania, takes pork chops off the grill while visiting the Iowa Pork Producers Tent at the Iowa State Fair on Wednesday, August 18, 2010. With him is Iowa Pork Tent committee member Dana Wanken.
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Governor Mike Huckabee enjoyed a pork chop on a stick with his wife Janet and Danny Carroll of Grinnell Friday afternoon at the fair. Presidential candidate Governor Mike Huckabee also spoke at the Des Moines Register's Soapbox Friday. The Iowa State Fair Friday, August 10, 2007.
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Governor Mike Huckabee enjoyed a pork chop on a stick with his wife Janet and Danny Carroll of Grinnell Friday afternoon at the fair. Presidential candidate Governor Mike Huckabee also spoke at the Des Moines Register's Soapbox Friday. The Iowa State Fair Friday, August 10, 2007.
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Mitt Romney engages in the standard candidate activity on Thursday at the Iowa State Fair — shaking hands with people. He also found time to tend the Iowa Pork Producers grill with U.S. Sen. Chuck Grassley, R-New Hartford.
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Mitt Romney engages in the standard candidate activity on Thursday at the Iowa State Fair — shaking hands with people. He also found time to tend the Iowa Pork Producers grill with U.S. Sen. Chuck Grassley, R-New Hartford.
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President Barack Obama and Agriculture Secretary Tom Vilsack, left, stop by the Bud Light Booth during a campaign stop at the Iowa State Fair in Des Moines, Iowa, Monday August 13, 2012.
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Newt Gingrich and wife, Callista Gingrich, walk through the 2011 Iowa State Fair as they leave. Newt Gingrich spoke at the Des Moines Register soapbox at the Iowa State Fair Friday morning. His wife Mary also said a few words.
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Newt Gingrich and wife, Callista Gingrich, walk through the 2011 Iowa State Fair as they leave. Newt Gingrich spoke at the Des Moines Register soapbox at the Iowa State Fair Friday morning. His wife Mary also said a few words.
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Former Sen. Fred Thompson meets the Iowa Pork Queen, Rita Cook, at the 2007 Iowa State Fair during his first public appearance in Iowa as a Republican presidential prospect. Also pictured is Sen. Chuck Grassley, center.
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Former Sen. Fred Thompson meets the Iowa Pork Queen, Rita Cook, at the 2007 Iowa State Fair during his first public appearance in Iowa as a Republican presidential prospect. Also pictured is Sen. Chuck Grassley, center.
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Rudy Giuliani notices a temporary tattoo on Jessa Tiedeman's arm and lifts his shirt to show the seven year old his own temporary tattoo of a police badge he received while visiting the 2007 Iowa State Fair. Between them is Jessa's grandfather Jerry Tiedeman of Bella Vista Arkansas and her father Jim Tiedeman of Glendale, CA.
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Rudy Giuliani notices a temporary tattoo on Jessa Tiedeman's arm and lifts his shirt to show the seven year old his own temporary tattoo of a police badge he received while visiting the 2007 Iowa State Fair. Between them is Jessa's grandfather Jerry Tiedeman of Bella Vista Arkansas and her father Jim Tiedeman of Glendale, CA.
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Sen. Hillary Clinton, center, stands with former Iowa Governor Tom Vilsack and Christie Vilsack in front of the butter cow at the 2007 Iowa State Fair.
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Sen. Hillary Clinton, center, stands with former Iowa Governor Tom Vilsack and Christie Vilsack in front of the butter cow at the 2007 Iowa State Fair.
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Dem presidential candidate Barack Obama and his family, wife Michelle, daughters Malia, in blue, and Sasha visit the 2007 Iowa State Fair. Obama and daughter Sasha, left, take a ride on the Big Ben on the fair midway. At right are Mimi Davis and her daughter, LaVon, right, Kenosha, WI.
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Dem presidential candidate Barack Obama and his family, wife Michelle, daughters Malia, in blue, and Sasha visit the 2007 Iowa State Fair. Obama and daughter Sasha, left, take a ride on the Big Ben on the fair midway. At right are Mimi Davis and her daughter, LaVon, right, Kenosha, WI.
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Rick Santorum, former U.S. Senator and presidential candidate for the 2012 Republican Party, walked down Grand Ave. as a tram passed by during a visit to the Iowa State Fair on Friday Aug. 9th, 2013.
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Rick Santorum, former U.S. Senator and presidential candidate for the 2012 Republican Party, walked down Grand Ave. as a tram passed by during a visit to the Iowa State Fair on Friday Aug. 9th, 2013.
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Republican presidential hopeful Mitt Romney visits the 2011 Iowa State Fair Thursday and spoke at the Des Moines Register soapbox. Mitt Romney, top, shakes hands with Jeff Gieseke of Altoona during a tour of the Varied Industries building. Gieseke was trying out a massage chair at the Adjustable Beds booth.
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Republican presidential hopeful Mitt Romney visits the 2011 Iowa State Fair Thursday and spoke at the Des Moines Register soapbox. Mitt Romney, top, shakes hands with Jeff Gieseke of Altoona during a tour of the Varied Industries building. Gieseke was trying out a massage chair at the Adjustable Beds booth.
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Democratic presidential hopeful, U.S. Sen. Bob Graham (D-FL), campaigns near cow sculpted in butter at the Iowa State Fair August 7, 2003 in Des Moines, Iowa. Thousands of people attend the annual fair, which has become one of the largest agriculture events in the country.
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Democratic presidential hopeful, U.S. Sen. Bob Graham (D-FL), campaigns near cow sculpted in butter at the Iowa State Fair August 7, 2003 in Des Moines, Iowa. Thousands of people attend the annual fair, which has become one of the largest agriculture events in the country.
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Rudy Giuliani makes the natural presidential candidate's pit stop at the Pork Produces stand to flip a few pork chops during the 2007 Iowa State Fair.
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Joe Biden stops to talk with Dorothy Kennedy, left, of Des Moines, during his visit to the 2007 Iowa State Fair.
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From Aug. 16, 2007: Then-U.S. Sen. and Democratic presidential candidate Barack Obama and his youngest daughter Sasha take a ride on the bumper cars during a visit to the Iowa State Fair.
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From Aug. 16, 2007: Then-U.S. Sen. and Democratic presidential candidate Barack Obama and his youngest daughter Sasha take a ride on the bumper cars during a visit to the Iowa State Fair.
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